Detached bungalows are among the easiest properties to extend in planning terms — no party wall complications, generous garden depth, and in Bromley, a council known for a pragmatic approach to householder applications. The 90% approval rate reflects this culture.
The wraparound extended 4m to the rear and 1m along the side, with a flat roof and parapet. The main design challenge was the relationship with the street: the existing bungalow has a relatively shallow front setback, so the side extension had to be carefully profiled to avoid reading as a dominant addition from the road.
We set the side extension roof 200mm below the main bungalow eaves and used matching tile-effect cladding on the side wall facing the road. Bromley's planning officer confirmed in a pre-validation call that this approach would be acceptable — a useful informal check that saved us from a potential condition requiring design amendments.
Approved in 8 weeks with no pre-application advice required. Total drawing fee of £840. The client's builder completed in 11 weeks on site, with the BCO inspecting and signing off at foundation, DPC, frame, insulation, and completion stages.
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